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Resetting the ECU on a Citroen C3

Model: Citroen C3 FC, FN - Years: 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Part: Warning light – error code

See other generations:
Video tutorial

To reset the ECU on a Citroen C3, follow this very simple procedure. Turn off the engine, pull the handbrake, and remove the key. Open the bonnet and place the support rod. At this point, locate the ECU (see video), and simply disconnect the battery by unscrewing the terminals, then disconnect all three connectors that go to the ECU itself.

This will completely power down the ECU. Wait a few minutes and reconnect everything. Check that all the car's controls are functioning correctly.


Updated on 4 April 2026 by ScegliAuto


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How to reset the tyre pressure warning light on the Kia Niro EV?

To reset the tyre pressure warning light on the Kia Niro EV, inflate the tyres until they reach the correct pressure value. This value is indicated on the sticker attached to the driver's door pillar. Once the tyres are inflated, turn on the instrument cluster to check that the warning light has completely disappeared from the display. If it is still present, you may need to drive for a few miles to ensure it disappears completely from the screen.

Watch the video!


by ScegliAuto

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